Energy Weather Forecast

    • 72
    • 87

    Rain Showers Likely

    • 62
    • 87

    Rain Showers

    • 55
    • 73

    Chance Rain Showers

    • 58
    • 75

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

    • 64
    • 82

    Chance Thunderstorms

Today 18 May Williamson

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 18 May Williamson

Partly cloudy. Showers likely with a chance of Thunderstorms in the evening. Lows in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Energy Temperature Statistics

May Temperature

Marion - Williamson County Regional Airport (0.6 miles)

  • Lowest 7 May, 2026

    39 °F

  • Average May

    59.1 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Marion - Williamson County Regional Airport (0.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    68.1 °F
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